/*
 *  Copyright 2011 Alexey Andreev.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.xthl.core;

import java.util.ArrayList;
import java.util.List;
import org.nop.core.BeanScope;
import org.nop.core.ManagedBean;
import org.nop.core.Request;
import org.nop.util.Injected;
import org.xthl.core.api.Fragment;
import org.xthl.core.api.FragmentLogic;

/**
 * 
 * @author Alexey Andreev
 */
@ManagedBean(iface = FragmentRepository.class, scope = BeanScope.REQUEST)
public class FragmentRepositoryImpl implements FragmentRepository {
    private Request request;
    private FragmentLogic logic;

    @Injected
    public FragmentRepositoryImpl(Request request, FragmentLogic logic) {
        this.request = request;
        this.logic = logic;
    }

    @Override
    public <T extends FragmentRenderer> List<T> getFragments(Class<T> fragmentType) {
        List<T> result = new ArrayList<T>();
        for (Fragment fragment : logic.getEnabledFragmentsByType(fragmentType)) {
            result.add(fragmentType.cast(request.create(fragment.getImplementor())));
        }
        return result;
    }
}
